The rapper posted a tribute to his Instagram story on Sunday morning.
"Love you Twy...Really Missin you kidd but I see you brought the sun out today i'ma pour sum up for you today," he wrote.
Officials say they responded to a shooting Thursday night around 9 p.m. near 187 Lawrence St.
The victim, 26-year-old Twyshon Depew, was taken to St. Joseph's University Medical Center by a private vehicle after he suffered a gunshot wound.
Police say he died of his injuries at 11 p.m.
The investigation is active and ongoing.
The Passaic County Prosecutor's Office asks anyone with additional information to call 1-877-370-PCPO or firstname.lastname@example.org or contact the Paterson Police Detective Bureau at 973-321-1120.